beyond words
To such a great degree that one has (figuratively) been left speechless. I am just thrilled beyond words that so many of you were able to come to our baby shower! After our parents offered to help us buy our first home, we were appreciative beyond words.
beyond words
Fig. more than one can say. (Especially preceded by grateful, shocked, and thankful.) Sally was thankful beyond words. I don't know how to thank you. I'm grateful beyond words.